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| author | Roger Sayle <roger@eyesopen.com> | 2007-01-05 21:22:05 +0000 |
|---|---|---|
| committer | Roger Sayle <sayle@gcc.gnu.org> | 2007-01-05 21:22:05 +0000 |
| commit | c96111c00d1c3c1a40535a4580681347eeb801b9 (patch) | |
| tree | 20bb6a799235d34926f0f093e96c4cf0c9975937 /gcc | |
| parent | afe1a916d7e6195a85569d33685fd3259f9a0e84 (diff) | |
| download | gcc-c96111c00d1c3c1a40535a4580681347eeb801b9.zip gcc-c96111c00d1c3c1a40535a4580681347eeb801b9.tar.gz gcc-c96111c00d1c3c1a40535a4580681347eeb801b9.tar.bz2 | |
trans-array.c (gfc_conv_loop_setup): Test whether the loop stride is one...
* trans-array.c (gfc_conv_loop_setup): Test whether the loop
stride is one, to avoid fold_build2 introducing a useless
NON_LVALUE_EXPR node.
From-SVN: r120500
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/fortran/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/fortran/trans-array.c | 6 |
2 files changed, 10 insertions, 2 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog index c574dc4..73dcf0e 100644 --- a/gcc/fortran/ChangeLog +++ b/gcc/fortran/ChangeLog @@ -1,3 +1,9 @@ +2007-01-05 Roger Sayle <roger@eyesopen.com> + + * trans-array.c (gfc_conv_loop_setup): Test whether the loop + stride is one, to avoid fold_build2 introducing a useless + NON_LVALUE_EXPR node. + 2007-01-05 Tobias Burnus <burnus@net-b.de> * symbol.c (check_conflict): Fix error message. diff --git a/gcc/fortran/trans-array.c b/gcc/fortran/trans-array.c index 10243fe..d6d3ff7 100644 --- a/gcc/fortran/trans-array.c +++ b/gcc/fortran/trans-array.c @@ -3141,8 +3141,10 @@ gfc_conv_loop_setup (gfc_loopinfo * loop) { /* Calculate the offset relative to the loop variable. First multiply by the stride. */ - tmp = fold_build2 (MULT_EXPR, gfc_array_index_type, - loop->from[n], info->stride[n]); + tmp = loop->from[n]; + if (!integer_onep (info->stride[n])) + tmp = fold_build2 (MULT_EXPR, gfc_array_index_type, + tmp, info->stride[n]); /* Then subtract this from our starting value. */ tmp = fold_build2 (MINUS_EXPR, gfc_array_index_type, |